@font-face {
    font-family: 'iconfont';
    src: url('iconfont.eot');
    src: url('iconfont.eot?#iefix') format('embedded-opentype'),
        url('iconfont.woff2') format('woff2'),
        url('iconfont.woff') format('woff'),
        url('iconfont.ttf') format('truetype'),
        url('iconfont.svg#iconfont') format('svg');
  }

.banner {
    background-image: url(../images/bg_red.png);
    height: 200px;
}
.w {
    position: relative;
}
.dropdown {
    font-size: 16px;
    position: absolute;
    top: 252px;
    right: 143px;
    // z-index: 9999;
    .dt {
        width: 200px;
        height: 47px;
        line-height: 47px;
        text-align: center;
        background-color: #fff;
        color: #00A4FF;
        border-bottom: 1px dotted #000;
    }
    .dd {
        height: 100%;
        width: 200px;
        // background-color: pink;
        // display: none;
        div {
            padding-top: 10px;
            text-align: center;
            margin-bottom: 20px;
            img {
                margin-top: 10px;
                width: 100px;
                height: 100px;
                border: 1px solid  #a7a7a7;
                border-radius: 50%;
                cursor: pointer;
            }
            p {
                margin: 2px;
            }
        }
        ul {
            li {
                text-align: center;
                margin: 20px 0;
                color: #363434;
                border-bottom: 1px solid rgba(0, 0, 0, 0.075);
                cursor: pointer;
                span {
                    margin: 0 40px;
                }
                em {
                    font-style: normal;
                }
            }
            .current {
                color: #00A4FF;
            }
        }
        
    }
}
.content {
    padding-left: 220px;
    // display: none;
    .course{
        width: 100%;
        height: 540px;
        background-color: #f3f3f7;
        // display: none;
        .cent {
            width: 70%;
            margin-left: 20px;
            .blu {
                height: 50px;
                line-height: 50px;
                padding-left: 10px;
                color: #00a4ff;
            }
            .centt {
                height: 100px;
                background-color: #fff;
                .centta {
                    display: inline-block;
                    width: 80px;
                    height: 80px;
                    margin: 10px;
                    border: 1px dotted rgba(0, 0, 0, 0.3)
                    ;
                    img {
                        width: 100%;
                        height: 100%;
                    }
                }
                h5 {
                    display: inline-block;
                    vertical-align: top;
                    margin-top: 20px;
                    a {
                        padding-left: 8px;
                        font-size: 12px;
                        color: #00a4ff;
                    }
                }
            }
            .centc,
            .centf {
                &>h5
                 {
                    height: 50px;
                    line-height: 50px;
                    padding-left: 10px;
                    color: #00a4ff;
                }
                h5 span {
                    padding-left: 20px;
                    font-size: 12px;
                    color:  peru;
                }
                ul {
                    height: 180px;
                    background-color: #fff;
                    padding: 20px 20px 20px 30px;
                    li {
                        position: relative;
                        margin-bottom: 20px;
                        .set {
                            display: inline;
                            color: #a7a7a7;
                            background-color: #fff;
                        }
                        .lin {
                            display: inline-block;
                            vertical-align: middle;
                            h4 {
                                font-size: 14px;
                                b {
                                    padding-left: 15px;
                                    font-size: 12px;
                                    font-weight: 400;
                                    color: #a7a7a7;
                                }
                            }
                            p {
                                padding-top: 2px;
                                font-size: 12px;
                                color: #a7a7a7;
                        }
                        }
                        a {
                            position: absolute;
                            top: 10px;
                            right: 10px;
                            width: 60px;
                            height: 20px;
                            line-height: 20px;
                            text-align: center;
                            border: 1px solid #a7a7a7;
                            font-size: 12px;
                            color: #a7a7a7;
                        }
                    }
                }
            }
            .centf {
                ul {
                    height: 80px!important;
                }
            }
        }
    }
    .order{
        width: 100%;
        height: 400px;
        background-color: peru;
        display: none;
    }
    .news{
        width: 100%;
        height: 400px;
        background-color: blanchedalmond;
        display: none;
    }
    .collect{
        width: 100%;
        height: 400px;
        background-color: orange;
        display: none;
    }
    .set{
        width: 100%;
        height: 400px;
        background-color: pink;
        display: none;
    }
}